Min hole size: 30micron Max thickness: 1mm Max depth-diameter ratio: 20:1 Hole precision: 5micron Smooth sidewall, no chipping, no burs Taper adjustable Sapphire crystal is widely used in semiconductor (mocvd epitaxial gan substrate), watches, medical science, communications, Lasers, infrared, electronics, measuring instruments, military, Aerospace and others high-tech industry. 1kg
